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How Films are Digitally Remastered

It is in this facility that the original movie negatives from the nearby Warner Bros. vault (in which films are kept at a brisk 45°) go digital. The “4K” refers to the 4,000 lines of resolution at which the movies are scanned — more than triple that of 1080p high-def. And for even more perspective: Your typical theatrical film tops out with a rez of 3K to 4K (few actually reach the 4K level). The idea is to squeeze every pixel of detail out of the celluloid, essentially preserving the original movie in perfect digital condition forever. After all, who knows how long high-definition will last before higher definition nudges in? And even now, select digital cinemas are popping up with 4K projection.